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Signed-off-by: Alexander Mikhalitsyn <alexander.mikhalitsyn@virtuozzo.com>
Signed-off-by: Alexander Mikhalitsyn <alexander@mihalicyn.com>
[Added test_author to zdtm test]
Signed-off-by: Dmitry Safonov <dima@arista.com>
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Include warnings that the kernel uses during compilation:
-Wstrict-prototypes: enforces full declaration of functions.
Previously, when declaring extern void func(), one can call func(123)
and have no compilation error. This is dangerous. The correct declaration
is extern void func(void).
Signed-off-by: Nicolas Viennot <Nicolas.Viennot@twosigma.com>
[Generated a commit message from the pull request]
Signed-off-by: Dmitry Safonov <dima@arista.com>
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Include warnings that the kernel uses during compilation:
-Wdeclaration-after-statement: enforces having variables declared at the top of scopes
Signed-off-by: Nicolas Viennot <Nicolas.Viennot@twosigma.com>
[Generated a commit message from the pull request]
Signed-off-by: Dmitry Safonov <dima@arista.com>
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Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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Test checks that if the /proc/sys/net/unix/max_dgram_qlen value has
been changed in process net namespace, then it is saved after c/r.
Signed-off-by: Alexander Mikhalitsyn <alexander@mihalicyn.com>
Signed-off-by: Alexander Mikhalitsyn <alexander.mikhalitsyn@virtuozzo.com>
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Signed-off-by: Nidhi Gupta <itsnidhi16@gmail.com>
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Fixes the following compile-error:
> CC socket-tcp-fin-wait1.o
> socket-tcp-fin-wait1.c:144:26: error: adding 'int' to a string does not append to the string [-Werror,-Wstring-plus-int]
> if (write(fd, TEST_MSG + 2, sizeof(TEST_MSG) - 2) != sizeof(TEST_MSG) - 2) {
> ~~~~~~~~~^~~
> socket-tcp-fin-wait1.c:144:26: note: use array indexing to silence this warning
> if (write(fd, TEST_MSG + 2, sizeof(TEST_MSG) - 2) != sizeof(TEST_MSG) - 2) {
> ^
> & [ ]
> 1 error generated.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Helps to cross-compile zdtm tests in case somebody needs it.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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The very same hack to build aarch32 zdtm tests on armv8 Travis-CI
as in the commit dfa0a1edcbcb ("Makefile hack for travis
aarch64/armv8l")
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Maybe not that useful, but only little change needed.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Instead of doing additional `uname -m` - use provided $(SUBARCH) to detect
what architecture flavour the build should produce the result for.
Fixes two things:
- zdtm make now correctly supplies $(USERCFLAGS)
- subtly fixes cross compilation by providing a way to specify $(SUBARCH)
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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SRCARCH is always equal ARCH. There are no rules when to use one or
another and architectures may forget to set one of them up.
No need for a second variable meaning the same and confusing people.
Remove it completely.
Self-correction [after some debug]: SRCARCH was different in one place:
zdtm Makefile by some unintentional mistake:
> ifeq ($(ARCH),arm64)
> ARCH ?= aarch64
> SRCARCH ?= aarch64
> endif
That meant to be "ARCH := aarch64" because "?=" would never work inside
that ifeq. Fix up this part of mess too.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Update zdtm tests to verify that CRIU does not require the --root
path to be accessible to the unprivileged user being restored when
restoring user namespace.
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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Replacing the if->continue pattern with if->elif->else
reduces the number of lines while preserving the logic.
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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Signed-off-by: Nidhi Gupta <itsnidhi16@gmail.com>
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Update test to support both iptables and nft to create conntrack rules.
Signed-off-by: Vitaly Ostrosablin <vostrosablin@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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PATH is pointing to incorrect location for `criu` executable
causing libcriu tests to fail when running in travis.
Also added statements to display log file contents on failure
to help in debugging.
Signed-off-by: Ashutosh Mehra <asmehra1@in.ibm.com>
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libcriu tests are currently broken. This patch fixes couple of
issues to allow the building and running libcriu tests.
1. lib/c/criu.h got updated to include version.h which is present
at "criu/include", but the command to compile libcriu tests is not
specifying "criu/include" in the path to be searched for header
files. This resulted in compilation error.
This can be fixed by adding "-I ../../../../../criu/criu/include"
however it causes more problems as "criu/include/fcntl.h" would now
hide system defined fcntl.h
Solution is to use "-iquote ../../../../../criu/criu/include"
which applies only to the quote form of include directive.
2. Secondly, libcriu.so major version got updated to 2 but
libcriu/run.sh still assumes verion 1. Instead of just updating the
version in libcriu/run.sh to 2, this patch updates the libcriu/Makefile
to use "CRIU_SO_VERSION_MAJOR" so that future changes to major version
of libcriu won't cause same problem again.
Signed-off-by: Ashutosh Mehra <asmehra1@in.ibm.com>
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Conflict register for file "sk-opts.proto": READ is already defined in
file "rpc.proto". Please fix the conflict by adding package name on the
proto file, or use different name for the duplication. Note: enum
values appear as siblings of the enum type instead of children of it.
https://github.com/checkpoint-restore/criu/issues/815
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Two modes of pre-dump algorithm:
1) splicing memory by parasite
--pre-dump-mode=splice (default)
2) using process_vm_readv syscall
--pre-dump-mode=read
Signed-off-by: Abhishek Dubey <dubeyabhishek777@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Right now, it is created from the pre-dump hook, but
if the --snap option is set, the test fails:
$ python test/zdtm.py run -t zdtm/static/cgroup_yard -f h --snap --iter 3
...
Running zdtm/static/cgroup_yard.hook(--pre-dump)
Traceback (most recent call last):
File zdtm/static/cgroup_yard.hook, line 14, in <module>
os.mkdir(yard)
OSError: [Errno 17] File exists: 'external_yard'
Cc: Michał Cłapiński <mclapinski@google.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Right now it is cleaned up from a post-restore hook,
but zdtm.py can be executed with the norst option:
$ zdtm.py run -t zdtm/static/cgroup_yard --norst
...
OSError: [Errno 17] File exists: 'external_yard'
Cc: Michał Cłapiński <mclapinski@google.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Signed-off-by: Michał Cłapiński <mclapinski@google.com>
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Reduce code duplication by taking setup_swrk() function into a separate
module that can be reused in multiple places.
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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When Python 2 is not installed we assume that /usr/bin/python refers to
version 3 of Python and the executable /usr/bin/python2 does not exist.
This commit also resolves a compatibility issue with Popen where in
Py2 file descriptors will be inherited by the child process and in
Py3 they will be closed by default.
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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As discussed on the mailing list, current .py files formatting does not
conform to the world standard, so we should better reformat it. For this
the yapf tool is used. The command I used was
yapf -i $(find -name *.py)
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
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After adding the test for fake inotify events cleanup on restore, we've
detected that we also have the same problem on dump/predump, criu
touches files that are watched and generates fake events:
[root@snorch criu]# test/zdtm.py run -t zdtm/static/inotify04 --norst -k always
=== Run 1/1 ================ zdtm/static/inotify04
======================== Run zdtm/static/inotify04 in h ========================
Start test
./inotify04 --pidfile=inotify04.pid --outfile=inotify04.out --dirname=inotify04.test
Run criu dump
=[log]=> dump/zdtm/static/inotify04/36/1/dump.log
------------------------ grep Error ------------------------
(00.004050) fsnotify: openable (inode match) as home/snorch/devel/criu/test/zdtm/static/inotify04.test/inotify-testfile
(00.004052) fsnotify: Dumping /home/snorch/devel/criu/test/zdtm/static/inotify04.test/inotify-testfile as path for handle
(00.004055) fsnotify: id 0x000007 flags 0x000800
(00.004071) 36 fdinfo 5: pos: 0 flags: 4000/0
(00.004080) Warn (criu/fsnotify.c:336): fsnotify: The 0x000008 inotify events will be dropped
------------------------ ERROR OVER ------------------------
Send the 15 signal to 36
Wait for zdtm/static/inotify04(36) to die for 0.100000
############### Test zdtm/static/inotify04 FAIL at result check ################
Test output: ================================
18:20:10.558: 36: Event 0x20
18:20:10.558: 36: Event 0x10
18:20:10.558: 36: Event 0x20
18:20:10.558: 36: Event 0x10
18:20:10.558: 36: Event 0x20
18:20:10.558: 36: Event 0x10
18:20:10.558: 36: Event 0x20
18:20:10.558: 36: Event 0x10
18:20:10.558: 36: Read 8 events
18:20:10.558: 36: FAIL: inotify04.c:105: Found 8 unexpected inotify events (errno = 11 (Resource temporarily unavailable))
<<< ================================
##################################### FAIL #####################################
To suppress fails in jenkins make the inotify04 test 'reqrst'. Still
need to cleanup (or do not create) these events on dump/predump.
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This is needed to workaround the problem with "ip route save":
(00.113153) Running ip route save
Error: ipv4: FIB table does not exist.
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Just create two inotify watches on a testfile, and do nothing except
c/r, it is expected that there is no events in queue after these.
before "inotify: cleanup auxiliary events from queue":
[root@snorch criu]# ./test/zdtm.py run -t zdtm/static/inotify04
=== Run 1/1 ================ zdtm/static/inotify04
======================== Run zdtm/static/inotify04 in h ========================
DEP inotify04.d
CC inotify04.o
LINK inotify04
Start test
./inotify04 --pidfile=inotify04.pid --outfile=inotify04.out --dirname=inotify04.test
Run criu dump
Run criu restore
Send the 15 signal to 60
Wait for zdtm/static/inotify04(60) to die for 0.100000
=============== Test zdtm/static/inotify04 FAIL at result check ================
Test output: ================================
18:37:14.279: 60: Event 0x10
18:37:14.280: 60: Event 0x20
18:37:14.280: 60: Event 0x10
18:37:14.280: 60: Read 3 events
18:37:14.280: 60: FAIL: inotify04.c:105: Found 3 unexpected inotify events (errno = 11 (Resource temporarily unavailable))
<<< ================================
v2: make two inotifies on the same file
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
zdtm: inotify04 add another inotify on the same file
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1. Basic check if property is migrated
2. Check that property is restored for existing children
3. Check that child subreaper does not affect reparenting
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Michał Cłapiński <mclapinski@google.com>
Reviewed-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
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In zdtm.py, the page size is hardcoded as 4096, but on ppc64le, is is equal
to 64K and all test fail with errors like this:
ERROR: bad page counts, stats = 13 real = 208(0)
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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7f95a16df000-7f95a16e1000 rw-p 00000000 00:09 2183152397 socket:[2183152397]
Reported-by: Mr Jenkins
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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It is inspired by the discussion about inotify fix:
https://github.com/checkpoint-restore/criu/pull/728#issuecomment-506929427
From one point of view, warnings might be important to understand why we
detect some visible change in the environment after c/r-ing the process,
and if this change is expected or not. So we should add "Warn" messages
to the output.
From over point, these warnings if they are expected, can spoil our
final logs with a lot of unnecessary details, so add changes in previous
patches to silence the most noisy of these warnings.
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
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Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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These errors were found by Cppcheck 1.84
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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Rather than chain[chain] != STN_UNDEF.
Seems like, on !ARM32 vdso there are more symbols and less chance to hit
this "feature".
Fixes parsing of __vdso_clock_gettime symbol on v5.1 arm kernel.
Signed-off-by: Dmitry Safonov <dima@arista.com>
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In some cases the stats-dump file can be missing, so do not
crash the whole zdtm.py in this case.
https://ci.openvz.org/job/CRIU/job/criu-live-migration/job/criu-dev/2362/console
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
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Signed-off-by: Andrei Vagin <avagin@gmail.com>
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After dump command -- verify that the amount of bytes counted in
stats-dump matches the real sizes of pages-*.img files.
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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The built-in bool() function returns a boolean value by converting the
input using standard truth testing procedure.
https://docs.python.org/3/library/functions.html#bool
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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Fixes #331.
https://github.com/checkpoint-restore/criu/issues/331
Signed-off-by: Harshavardhan Unnibhavi <hvubfoss@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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ia32 thread-bomb test failed when compel refused to seize the test,
trying to mmap() in remote process and getting ENOMEM.
It turns to be true - remote process thread-bomb was filled with 8Mb
mappings created by pthread_create() (the default stack size).
So, that 1024 * 8Mb is a bit too much to place in 4Gb.
Fix the test on 32-bit platforms by using much smaller stack.
Also check the return value of pthread_create().
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Not a major bummer.
On the other side, it's also becomes less important as it seems that
distribution switches from LEGACY_VSYSCALL_EMULATE to
LEGACY_VSYSCALL_NONE (by security reasons).
Might be not worth fixing at all in the end.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Add some comments to state things those might be not obvious.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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sizeof(fd) is the size of the pointer. Make sure the entire array is set
by using the number of elements times the size of the elements.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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If read() fails we can not use the return value as index. Move the use
of it to after the error check to avoid this.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
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